Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB0Tv0A3UFtlkRKMHR85BmGe6+5qoVPo3hFSQFtmO/V4wZI8kPEe/HZRSZQ… (844 chars)"
  }
}